[go: up one dir, main page]

FR952148A - Improvements to waveguides - Google Patents

Improvements to waveguides

Info

Publication number
FR952148A
FR952148A FR952148DA FR952148A FR 952148 A FR952148 A FR 952148A FR 952148D A FR952148D A FR 952148DA FR 952148 A FR952148 A FR 952148A
Authority
FR
France
Prior art keywords
waveguides
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR952148A publication Critical patent/FR952148A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/04—Coupling devices of the waveguide type with variable factor of coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02—Waveguide horns
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C7/00—Modulating electromagnetic waves
    • H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Particle Accelerators (AREA)
FR952148D 1942-08-13 1947-08-19 Improvements to waveguides Expired FR952148A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US454710A US2683251A (en) 1942-08-13 1942-08-13 High-frequency electromagnetic wave transmission system

Publications (1)

Publication Number Publication Date
FR952148A true FR952148A (en) 1949-11-09

Family

ID=23805750

Family Applications (1)

Application Number Title Priority Date Filing Date
FR952148D Expired FR952148A (en) 1942-08-13 1947-08-19 Improvements to waveguides

Country Status (4)

Country Link
US (1) US2683251A (en)
BE (1) BE479624A (en)
FR (1) FR952148A (en)
GB (1) GB674022A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810125A (en) * 1954-02-18 1957-10-15 Hughes Aircraft Co Prepulse protection of radar mixer crystals
US2903613A (en) * 1955-05-13 1959-09-08 Sam Robbins Inc Apparatus for and method of wave guide energy transmission modulation, control and cut-off
US2876351A (en) * 1955-08-29 1959-03-03 Sanders Associates Inc Ionic time-delay apparatus
US3087129A (en) * 1960-02-25 1963-04-23 Mario A Maury Centerless coaxial connector
US20040023189A1 (en) * 2002-07-30 2004-02-05 Bateman Kevin John System and method for displaying a nutritional program

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2106770A (en) * 1938-02-01 Apparatus and method fob receiving
US1035958A (en) * 1911-05-26 1912-08-20 Emile Girardeau Protective apparatus for radiotelegraphic stations.
NL54626C (en) * 1936-05-19
US2153728A (en) * 1936-10-07 1939-04-11 American Telephone & Telegraph Ultra high frequency signaling
US2276247A (en) * 1939-09-27 1942-03-10 Gen Electric High frequency modulationg system
US2253503A (en) * 1938-08-06 1941-08-26 Bell Telephone Labor Inc Generation and transmission of high frequency oscillations
US2316151A (en) * 1939-01-09 1943-04-13 Research Corp Electromagnetic horn
US2235010A (en) * 1939-09-16 1941-03-18 Bell Telephone Labor Inc Ultra-short wave transmitting and receiving system
US2368031A (en) * 1940-03-15 1945-01-23 Bell Telephone Labor Inc Electron discharge device
US2241976A (en) * 1940-04-25 1941-05-13 Gen Electric High frequency apparatus

Also Published As

Publication number Publication date
GB674022A (en) 1952-06-18
US2683251A (en) 1954-07-06
BE479624A (en)

Similar Documents

Publication Publication Date Title
FR940634A (en) Waveguide
FR982997A (en) Centimeter-wave guided propagation
FR998586A (en) Improvements to recording materials
FR938762A (en) Improvements made to stop rings
FR952148A (en) Improvements to waveguides
FR932460A (en) Improvements to assembly pins
FR1064885A (en) Improvements to waveguides
FR886632A (en) Improvements to aeromotors
FR938203A (en) Cable improvements
FR952546A (en) Flexible section for waveguide
FR888166A (en) Improvements to scrapers-scrapers
FR63034E (en) Improvements to waveguides
FR912714A (en) Improvements to chromatic harmonicas
FR924977A (en) Improvements to agreement indicators
FR1064889A (en) Improvements to split waveguides
FR928780A (en) Improvements to gasifiers
FR938259A (en) Improvements to equisignal radiobeacons
FR938852A (en) Enhancements to photosensitive emultions
FR937682A (en) Improvements to instrument cases
FR938716A (en) Improvements to extrusion machines
FR945069A (en) Improvements to waveguides for the transmission of guided electromagnetic waves
FR886476A (en) Improvements to mechanical command transmitters
FR895068A (en) Image analyzer tube
FR898350A (en) Improvements to UHF retroactively coupled transmitters
FR890652A (en) Improvements to daters